As nouns the difference between oms and ozs
is that oms is plural of lang=en while ozs is plural of lang=en; ounces.
As an acronym OMS
is orbital Maneuvering System — NASA terminology for orbital maneuvering rockets.
oms
English
Noun
(head)
Anagrams
*
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ozs
English
Noun
(head)
; ounces